30021322100 has 108 divisors (see below), whose sum is σ = 81836866272. Its totient is φ = 9357268800.

The previous prime is 30021322073. The next prime is 30021322109. The reversal of 30021322100 is 122312003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021322109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92522 + ... + 261921.

Almost surely, 2^30021322100 is an apocalyptic number.

It is an amenable number.

30021322100 is an abundant number, since it is smaller than the sum of its proper divisors (51815544172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30021322100 is a wasteful number, since it uses less digits than its factorization.

30021322100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354486 (or 354468 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30021322100 its reverse (122312003), we get a palindrome (30143634103).

The spelling of 30021322100 in words is "thirty billion, twenty-one million, three hundred twenty-two thousand, one hundred".